import router from './router'
import store from './store'
import {
  Message
} from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import {
  getToken
} from '@/utils/auth'

NProgress.configure({
  showSpinner: false
})

const whiteList = ['/login', '/auth-redirect', '/bind', '/register', '/retrieve']

router.beforeEach((to, from, next) => {
  NProgress.start()
  if (getToken()) {
    /* has token*/
    if (to.path === '/login') {
      if (store.getters.roles.length == 0) {
        store.dispatch('GetInfo').then(() => {
          let arr = store.getters.roles;
          if (arr) {
            let indexPlat = 0;
            arr.forEach(element => {
              if ("store" === element) {
                indexPlat = 1;
              }
            });
            if (indexPlat == 0) {
              next({
                path: '/'
              })
            } else {
              next({
                path: '/platform'
              })
            }
          } else {
            next({
              path: '/'
            })
          }
        });
      } else {
        let arr = store.getters.roles;
        if (arr) {
          let indexPlat = 0;
          arr.forEach(element => {
            if ("store" === element) {
              indexPlat = 1;
            }
          });
          if (indexPlat == 0) {
            next({
              path: '/'
            })
          } else {
            next({
              path: '/platform'
            })
          }
        } else {
          next({
            path: '/'
          })
        }
      }
      NProgress.done()
    } else {

      if (store.getters.roles.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetInfo').then(() => {
          store.dispatch('GenerateRoutes').then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
            router.addRoutes(accessRoutes) // 动态添加可访问路由表
            next({
              ...to,
              replace: true
            }) // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
          store.dispatch('LogOut').then(() => {
            Message.error(err)
            next({
              path: '/'
            })
          })
        })
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})
